AC Pulley Play (wobble)
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AC Pulley Play (wobble)
I have been hearing on occasion (not constant) an awfull noise under the hood. Even when I turn on the ac it doesn't change the depth of sound. I took the belt off and spun the idler pulley, tensioner, and ac pulley. When I spun the ac pulley I notice quite a bit of play (wobble). last summer sometimes I needed to give the clutch a bit of perswasion in order for it to kick in. Is this play (wobble) in the pulley normal? I've never had to replace an ac clutch so I don't have any experience to go on. Thanks!
Ford Parts Specialist
Joined: Nov 2006
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From: Simi Valley, CA
And the year, series and engine size is?
Wobble is not normal, the pulley's bearing is shot.
Depending on what you are working on, the bearing may be replaceable by itself, otherwise...you'll have to buy the clutch assembly.
Wobble is not normal, the pulley's bearing is shot.
Depending on what you are working on, the bearing may be replaceable by itself, otherwise...you'll have to buy the clutch assembly.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 785
From: Simi Valley, CA
The link to this site is on this page among the sponsors.
It's faaar easier to use than my Ford parts catalog on microfiche slides is.
According to this catalog, the pulley itself is replaceable as is the clutch. There is no separate bearing listed.
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OK, heres my thought. I've read that shims in the clutch can be tinkered with. That would fix the problem of it not engageing. I did find a bearing locally. I just may go this route rather than replacing the entire clutch assembly. Any thoughts or suggestions?
Hotshot
Joined: Jan 2004
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From: St Louis
This is not an issue with the shims.
I've had this exact failure on my 97. I waited too long, the pulley bearing seized, and my truck rode home on the back of the AAA flatbed because the seized pulley locked the engine up tight. Prior to the catastrophic failure, the clutch plate had been rattling when disengaged. I had purchased a replacement plate from AutoZone but found it wasn't a correct fit. Got sidetracked and didn't follow up right away in getting the correct part. Couple of weeks later, the whole thing went south...
I ordered the Motorcraft pulley and clutch plate from forum sponsor Rockauto. You will need Motorcraft part numbers YS250 & YBR111RM. Less than $100 if you order them.
I've had this exact failure on my 97. I waited too long, the pulley bearing seized, and my truck rode home on the back of the AAA flatbed because the seized pulley locked the engine up tight. Prior to the catastrophic failure, the clutch plate had been rattling when disengaged. I had purchased a replacement plate from AutoZone but found it wasn't a correct fit. Got sidetracked and didn't follow up right away in getting the correct part. Couple of weeks later, the whole thing went south...
I ordered the Motorcraft pulley and clutch plate from forum sponsor Rockauto. You will need Motorcraft part numbers YS250 & YBR111RM. Less than $100 if you order them.
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Thanks, the shims were part of a pre-existing problem with the clutch not engaging. Thanks for the info.
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Found Motorcraft pulley w/bearing!! I couldn't wait to have it shipped to me. I checked Craigs list an I found the pulley at Ford dealership about 1/2 hour from here. The bearing is already pressed in the pulley. It cost me $45 and about 45 min to replace. Plus, I changed the shim so the thing is all better now. Man this forum has saved me a ton of money. I don't know if it's been done yet but I did take pics I could post. Heres the part.
1997 FORD F-150 SUPER CAB 4.6L 281cid V8 FI (W) : Heat & Air Conditioning : A/C Compressor Clutch Pulley Price Core Total
MOTORCRAFT Part # YB522 {Bearing Included #F6TZ19D784A}
1997 FORD F-150 SUPER CAB 4.6L 281cid V8 FI (W) : Heat & Air Conditioning : A/C Compressor Clutch Pulley Price Core Total
MOTORCRAFT Part # YB522 {Bearing Included #F6TZ19D784A}
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